Heralds of Galactus (person)

Published by Marvel Comics, the cosmic entity known as
Galactus has been a foe of the Fantastic Four for many
years. Because of his need to feed upon the energy of planets
that allow them to support life, Galactus employs other beings
to search out suitable planets. Endowing them with a portion
of his great power, Galactus dubs these agents his heralds.